The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 10, 2013
Filed:
Jun. 23, 2010
Applicant:
Pierre-yves Legare, Chambly, CA;
Inventor:
Pierre-Yves Legare, Chambly, CA;
Assignee:
Pratt & Whitney Canada Corp., Longueuil, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 7/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
An oil supply system for a gas turbine engine with a centrifugal air/oil separator in fluid communication with the scavenge system to receive the used oil mixture and extract oil and air therefrom, a supply pump in serial connection with the main oil outlet of the separator and in fluid communication with the bearing cavities to deliver the oil thereto, an oil tank in fluid communication with the overflow oil outlet of the separator, and at least one make-up pump having an inlet in fluid communication with the tank and having an outlet in fluid communication with the scavenge system.